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A couple more things,
The "R" code galaxies had "cast" factory headers, and I think they were all 4 spd's.
Tom
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...and didn't the R-Codes have cross drilled mains and the Q-Code 427's not?.
Here's a link to an article on one..
http://www.supermotors.net/vehicles/...sue01-a1-1.php
Good luck!.
~ Pete
